The moment – captured below – followed Grohl telling the crowd, “So here’s the sing, you guys sing every song before I even sing it. Nobody else in the world does that, I think that’s some Chilean shit, I don’t know what that is.”

At that point, the crowd began their chant. After playing along, Grohl told them, “OK, we got a new Foo Fighters song.”

http://www.youtube.com/watch?v=FwoI2luPN1k

Foo Fighters’ world tour comes to the UK and Ireland in March, with support from Iggy Pop and Royal Blood.